Modular base for a cordless portable telephone



FIG. 1 is a top, left, front perspective view of a modular base for a cordless portable telephone showing our new design;

FIG. 2 is a right elevational view thereof;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken lines shown in FIGS. 1-4 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a modular base for a cordless portable telephone, as shown and described. 